Aspect Ratio Calculator
Common Presets
Original Width (px)
Original Height (px)
Scale to New Size (enter one)
New Width
New Height
An aspect ratio calculator determines the proportional relationship between width and height, expressed as W:H. It lets you scale dimensions while preserving the original ratio to prevent distortion.
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Accurate
Verified formulas
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Instant
Results as you type
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Mobile Ready
All devices